Source Code : Functions to Test Data Types

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Functions to Test Data Types

 
Function                   Description
 
is_array()                 Returns true if the argument is an array
 
is_bool()                  Returns true if the argument is boolean
 
is_double()                Returns true if the argument is a double
 
is_int()                   Returns true if the argument is an integer
 
is_object()                Returns true if the argument is an object
 
is_string()                Returns true if the argument is a string
 
is_null()                  Returns true if the argument is null
 
is_resource()              Returns true if the argument is a resource
  
  

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